Re: [code] Unable to run Textadept on Docker container

From: Emil Axelsson <78emil.att.gmail.com>
Date: Wed, 10 May 2017 15:52:22 +0200

Den 2017-05-10 kl. 15:28, skrev Mitchell:
> Hi Emil,
>
> On Wed, 10 May 2017, Emil Axelsson wrote:
>
>> Den 2017-05-10 kl. 04:10, skrev Mitchell:
>>> Hi Emil,
>>>
>>> On Tue, 9 May 2017, Emil Axelsson wrote:
>>>
>>>> [Trying again without +help in the address.]
>>>>
>>>> Hi!
>>>>
>>>> I'd like to use Textadept on an Ubuntu Docker container, but it
>>>> doesn't work.
>>>>
>>>> I start with a clean container:
>>>>
>>>> sudo docker run -it --rm ubuntu
>>>>
>>>> Inside the container I run the following commands:
>>>>
>>>> apt-get update
>>>> apt-get install -y wget
>>>> wget
>>>> https://foicica.com/textadept/download/textadept_LATEST.x86_64.tgz
>>>> tar zxvf textadept_LATEST.x86_64.tgz
>>>>
>>>> Then when I try to run `textadept_9.4.x86_64/textadept-curses`, I get
>>>> a blank terminal. If I press enter I get this message:
>>>>
>>>> [Message Buffer] - Textadept ([Message Buffer])attempt to index a nil
>>>> value
>>>> /textadept_9.4.x86_64/themes/term.lua:76: attempt to index a nil value
>>>> (field 'run')
>>>>
>>>> But it's working to some extent: I can move around and type in the
>>>> message buffer.
>>>>
>>>> Any idea what went wrong?
>>>
>>> Textadept uses `/proc/self/exe` to determine its location and thus the
>>> location of its `modules/` directory, which contains the `textadept.run`
>>> module among others.
>>>
>>> I would venture a guess that docker does not supply a similar mechanism,
>>> so Textadept has no idea where it is. I did not account for this, so
>>> there is no workaround. Sorry :(
>>
>> Hm.. It seems that `/proc/self/exe` is working fine. Here is what I
>> get from inside the container:
>>
>> # ls -l proc/self/exe
>> lrwxrwxrwx 1 root root 0 May 10 07:36 proc/self/exe -> /bin/ls
>>
>> Any other ideas?
>
> In your ~/.textadept/init.lua add:
>
> local f = io.open('/tmp/foo', 'w')
> f:write(_HOME)
> f:close()
>
> The contents of /tmp/foo should be the directory of textadept-curses,
> and that directory should also contain Textadept's core files and
> folders (including "modules/").

Just so I'm not misunderstanding, are you saying /tmp/foo should be a
text file with one line giving the path to the unpacked Textadept
tarball? Or that /tmp/foo should be that directory?

I'm afraid neither option helps though -- same result.

Cheers

/ Emil

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Received on Wed 10 May 2017 - 09:52:22 EDT

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